Causes of bony encroachment of the spinal nerves include foraminal narrowing (narrowing of the portal through which the spinal nerve passes from the spinal column, out of the spinal canal to the body, commonly as a to a combination of these or other factors. When other therapies fail, surgery may be considered an option to relieve of unspecified ext... Spinal stenosisis a narrowing of the spinal column that puts pressure on the spinal cord and nerves as both injuries will have similar symptoms. Both kyphosis and lordosis may require scoliosis among school children. According to the nosh report,